technician

Q: The average age for menopause for women in the UK is 51.21 years. A pharmaceutical company wants to…

A: Given n=400, sample mean x̄=56.45, s=sample standard deviations=12.6, population mean μ=51.21

Q: In the US, the systolic blood pressure is normally distributed with a mean of 125 mmHg and a…

A: We have given that Mean(µ) = 125Standard deviations (σ) = 28.7

Q: Number of meals cooked at home each week Times in the 2018 Olympic bobsled Number of boat scars on a…

A: Solution: 53. From the given information different variables are given.

Q: Emissions of nitrogen oxides, which are major constituents of smog, can be modeled using a normal…

A: From the information, the amount of this pollutant emitted (in parts per billion) by a randomly…

Q: h. Find the conditional distribution of f (x[y), P(X = 2 | Y = 1). i. Find the conditional…

A: here given joint distribution of x and y  Using bayes rule Calculate the conditional Distribution

Q: 3 - The average of inter-arrival time of customers in a bank is 0.5 min. Using the exponential…

A: A continuous random variable X is said to follow exponential distribution with parameter λ, if it's…

Q: x = 1,2,3,4 f(x) = < c 0. otherwise So that the variable x represents the quantity produced of dates…

A: Given fx=2cx             x=1, 2, 3, 40                 otherwise Where x is the random variable…

Q: 1. Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: f(x,y)   y=1   y=2    y=3   Total    x=1    0.1 0.05 0.02 0.17      x=2    0.1 0.35…

Q: Let X be the number of errors that appear on a randomly selected page of a book. The following table…

A: Since, the sum of all probabilities of a distribution is always equal to 1. That means ∑P(x) = 1 The…

Q: Consider the following probability distribution:…

A: The probability function of X is given by P(x)=(5!)/(x!(5-x)!).(0.7)x.(0.3)(5-x) , x=0,1,...,5

Q: An ecologist records the hourly number of birds x, (i = 1,2,3,...,40) flying over a wetland. The…

A: Sample size n=40 Sum of observations ∑i=140xi=1200 The sum of the square of observations…

Q: Find the joint probability distribution of x and y. Find the marginal probability distribution of x.

A: The variable X indicates unemployed and variable y indicates employed.

Q: (c)The failure ages of a particular electrical component are observed to follow an exponential…

A: The failure ages of a particular electrical component are observed to follow an exponential…

Q: receive per day. It is illustrated below. X• P(X) P(X) X -H (X – µ)² P(X)·(X – µ)² 5 0.15 6 0.15 0.9…

A: The question is about to find prob. dist. Given : X : No. of calls received by parents per day P ( X…

Q: The following table gives the joint probability distribution of the speed of a car (C) and the…

A: The joint probability distribution of C and A is   C=30 kmph C=55 kmph C=85 kmph A=0 0.30 0.07…

Q: If P(X) = what are the possible values of X for it to be a probability distribution? %3D

A: The given function is, PX=X5 Any function fx may be considered as a valid probability distribution…

Q: 1. Find the value of c to make f (x) = x = 2, 3, 4 into a valid probability distribution. Enter…

A: Given, f(x)=cx2x-1                   x=2,3,4

Q: Determine the probability of exactly 3 arrivals at the checkout in a randomly selected 2-minute…

A: Let X denote the number of arrivals of customers during business hours at a checkout in each 2…

Q: P(X) 12 8. k 2 1 4 8. 1, 3.

A:

Q: Let D denote the event that a subject has a certain disease. Let S denote the event that a subject…

A: Given: P(D|x) = exp(α+Xβ) / (1+exp(α+Xβ)).

Q: 3. For an auto collision coverage, frequency of claims follows a distribution from the (a, b, 0)…

A: Given that    The probability of 1 claim is 0.19245 The probability of 2 claims is 0.09623 The…

Q: 7. A function whose value is a real number determined by each element in the sample space - the set…

A: (As per bartleby guidelines, for multiple questions asked, only the first question will be solved.…

Q: XAMPLE 3. Fit a Poisson distribution to the followings data and calculate theoretical frequencies 3…

A:

Q: iever and getting relief. 1. Describe the probability distribution of X and state its parameters and…

A: It is given that Mean, μ = 44 Standard deviation, σ = 10.2 Z-Score, Z = ( X - μ )/σ where, Z be the…

Q: Emissions of nitrogen oxides, which are major constituents of smog, can be modeled using a normal…

A: From the provided information, Mean (µ) = 1.5 Standard deviation (σ) = 0.4 Let X be a random…

Q: Monthly maintenance costs are distributed normally with a µ=$250 and σ=$50. What is the chance that…

A:

Q: contain 2 red, 3 blue and 5 black balls. Three balls are andomly. Let X be defined as the number…

A: Solution

Q: (c) Use the cdf from (b) to determine the probability that headway exceeds 2 sec. (Round your answer…

A: Let X be the random variable that the time headway.  The pdf of X is,  f(x)=11x12, x&gt;1 The cdf of…

Q: g. Determine if the random variables are statistically independent considering f (2, 1). I f(x, y) 1…

A: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

Q: Consider the discrete probability distribution below. Find the probability that X > 1.   Write and…

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Q: If a random variable X ∼ Exponential(1). Find the distribution of Y = X/λ.

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Q: Let T be the time that is needed for a specific task in a factory to be completed. In order to…

A:

Q: EX#2: A box of 850 marbles contains 50 blue marbles. Two marbles are selected at random without…

A:

Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Given data is f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03…

Q: 5. between z 0. 92 and z = 1. 75 6. to the right of z 1. 32

A: Given5)between z=-0.92 and z=1.75